本文对先进涡轮盘坯件，即纯洁、均匀、细晶组织的高温合金坯件制备三种工艺，以及涡轮盘零件锻压成形技术进行综合评述。
In this paper the three manufacturing technologies for making high quality preform, namely clean, homogeneous and fine grained preform and the forging practice of advanced turbine disk is reviewed.
探讨一种连续等通道角挤压(ECAP)新技术，实现了纯铝的无限长度连续大变形，制备出具有超细晶结构的金属材料。
A new continuous equal channel angular pressing (ECAP) technique was developed and successfully produced unlimited length of pure aluminum with ultrafine grain.
并介绍了两种完全有别于传统的剧烈塑性变形制备超细晶和纳米晶金属材料的最新工艺，如大应变切削和大应变挤压切削。
Two novel technologies which are radically different from traditional SPD methods, such as large strain machining(LSM) and large strain extrusion machining(LSEM), were introduced.
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